Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap2/io.c |
| 3 | * |
| 4 | * OMAP2 I/O mapping code |
| 5 | * |
| 6 | * Copyright (C) 2005 Nokia Corporation |
| 7 | * Copyright (C) 2007-2009 Texas Instruments |
| 8 | * |
| 9 | * Author: |
| 10 | * Juha Yrjola <juha.yrjola@nokia.com> |
| 11 | * Syed Khasim <x0khasim@ti.com> |
| 12 | * |
| 13 | * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License version 2 as |
| 17 | * published by the Free Software Foundation. |
| 18 | */ |
| 19 | #include <linux/module.h> |
| 20 | #include <linux/kernel.h> |
| 21 | #include <linux/init.h> |
| 22 | #include <linux/io.h> |
| 23 | #include <linux/clk.h> |
| 24 | |
| 25 | #include <asm/tlb.h> |
| 26 | #include <asm/mach/map.h> |
| 27 | |
| 28 | #include <linux/omap-dma.h> |
| 29 | |
| 30 | #include "omap_hwmod.h" |
| 31 | #include "soc.h" |
| 32 | #include "iomap.h" |
| 33 | #include "voltage.h" |
| 34 | #include "powerdomain.h" |
| 35 | #include "clockdomain.h" |
| 36 | #include "common.h" |
| 37 | #include "clock.h" |
| 38 | #include "clock2xxx.h" |
| 39 | #include "clock3xxx.h" |
| 40 | #include "omap-pm.h" |
| 41 | #include "sdrc.h" |
| 42 | #include "control.h" |
| 43 | #include "serial.h" |
| 44 | #include "sram.h" |
| 45 | #include "cm2xxx.h" |
| 46 | #include "cm3xxx.h" |
| 47 | #include "cm33xx.h" |
| 48 | #include "cm44xx.h" |
| 49 | #include "prm.h" |
| 50 | #include "cm.h" |
| 51 | #include "prcm_mpu44xx.h" |
| 52 | #include "prminst44xx.h" |
| 53 | #include "prm2xxx.h" |
| 54 | #include "prm3xxx.h" |
| 55 | #include "prm33xx.h" |
| 56 | #include "prm44xx.h" |
| 57 | #include "opp2xxx.h" |
| 58 | |
| 59 | /* |
| 60 | * omap_clk_soc_init: points to a function that does the SoC-specific |
| 61 | * clock initializations |
| 62 | */ |
| 63 | static int (*omap_clk_soc_init)(void); |
| 64 | |
| 65 | /* |
| 66 | * The machine specific code may provide the extra mapping besides the |
| 67 | * default mapping provided here. |
| 68 | */ |
| 69 | |
| 70 | #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430) |
| 71 | static struct map_desc omap24xx_io_desc[] __initdata = { |
| 72 | { |
| 73 | .virtual = L3_24XX_VIRT, |
| 74 | .pfn = __phys_to_pfn(L3_24XX_PHYS), |
| 75 | .length = L3_24XX_SIZE, |
| 76 | .type = MT_DEVICE |
| 77 | }, |
| 78 | { |
| 79 | .virtual = L4_24XX_VIRT, |
| 80 | .pfn = __phys_to_pfn(L4_24XX_PHYS), |
| 81 | .length = L4_24XX_SIZE, |
| 82 | .type = MT_DEVICE |
| 83 | }, |
| 84 | }; |
| 85 | |
| 86 | #ifdef CONFIG_SOC_OMAP2420 |
| 87 | static struct map_desc omap242x_io_desc[] __initdata = { |
| 88 | { |
| 89 | .virtual = DSP_MEM_2420_VIRT, |
| 90 | .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS), |
| 91 | .length = DSP_MEM_2420_SIZE, |
| 92 | .type = MT_DEVICE |
| 93 | }, |
| 94 | { |
| 95 | .virtual = DSP_IPI_2420_VIRT, |
| 96 | .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS), |
| 97 | .length = DSP_IPI_2420_SIZE, |
| 98 | .type = MT_DEVICE |
| 99 | }, |
| 100 | { |
| 101 | .virtual = DSP_MMU_2420_VIRT, |
| 102 | .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS), |
| 103 | .length = DSP_MMU_2420_SIZE, |
| 104 | .type = MT_DEVICE |
| 105 | }, |
| 106 | }; |
| 107 | |
| 108 | #endif |
| 109 | |
| 110 | #ifdef CONFIG_SOC_OMAP2430 |
| 111 | static struct map_desc omap243x_io_desc[] __initdata = { |
| 112 | { |
| 113 | .virtual = L4_WK_243X_VIRT, |
| 114 | .pfn = __phys_to_pfn(L4_WK_243X_PHYS), |
| 115 | .length = L4_WK_243X_SIZE, |
| 116 | .type = MT_DEVICE |
| 117 | }, |
| 118 | { |
| 119 | .virtual = OMAP243X_GPMC_VIRT, |
| 120 | .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS), |
| 121 | .length = OMAP243X_GPMC_SIZE, |
| 122 | .type = MT_DEVICE |
| 123 | }, |
| 124 | { |
| 125 | .virtual = OMAP243X_SDRC_VIRT, |
| 126 | .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS), |
| 127 | .length = OMAP243X_SDRC_SIZE, |
| 128 | .type = MT_DEVICE |
| 129 | }, |
| 130 | { |
| 131 | .virtual = OMAP243X_SMS_VIRT, |
| 132 | .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS), |
| 133 | .length = OMAP243X_SMS_SIZE, |
| 134 | .type = MT_DEVICE |
| 135 | }, |
| 136 | }; |
| 137 | #endif |
| 138 | #endif |
| 139 | |
| 140 | #ifdef CONFIG_ARCH_OMAP3 |
| 141 | static struct map_desc omap34xx_io_desc[] __initdata = { |
| 142 | { |
| 143 | .virtual = L3_34XX_VIRT, |
| 144 | .pfn = __phys_to_pfn(L3_34XX_PHYS), |
| 145 | .length = L3_34XX_SIZE, |
| 146 | .type = MT_DEVICE |
| 147 | }, |
| 148 | { |
| 149 | .virtual = L4_34XX_VIRT, |
| 150 | .pfn = __phys_to_pfn(L4_34XX_PHYS), |
| 151 | .length = L4_34XX_SIZE, |
| 152 | .type = MT_DEVICE |
| 153 | }, |
| 154 | { |
| 155 | .virtual = OMAP34XX_GPMC_VIRT, |
| 156 | .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS), |
| 157 | .length = OMAP34XX_GPMC_SIZE, |
| 158 | .type = MT_DEVICE |
| 159 | }, |
| 160 | { |
| 161 | .virtual = OMAP343X_SMS_VIRT, |
| 162 | .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS), |
| 163 | .length = OMAP343X_SMS_SIZE, |
| 164 | .type = MT_DEVICE |
| 165 | }, |
| 166 | { |
| 167 | .virtual = OMAP343X_SDRC_VIRT, |
| 168 | .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS), |
| 169 | .length = OMAP343X_SDRC_SIZE, |
| 170 | .type = MT_DEVICE |
| 171 | }, |
| 172 | { |
| 173 | .virtual = L4_PER_34XX_VIRT, |
| 174 | .pfn = __phys_to_pfn(L4_PER_34XX_PHYS), |
| 175 | .length = L4_PER_34XX_SIZE, |
| 176 | .type = MT_DEVICE |
| 177 | }, |
| 178 | { |
| 179 | .virtual = L4_EMU_34XX_VIRT, |
| 180 | .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS), |
| 181 | .length = L4_EMU_34XX_SIZE, |
| 182 | .type = MT_DEVICE |
| 183 | }, |
| 184 | }; |
| 185 | #endif |
| 186 | |
| 187 | #ifdef CONFIG_SOC_TI81XX |
| 188 | static struct map_desc omapti81xx_io_desc[] __initdata = { |
| 189 | { |
| 190 | .virtual = L4_34XX_VIRT, |
| 191 | .pfn = __phys_to_pfn(L4_34XX_PHYS), |
| 192 | .length = L4_34XX_SIZE, |
| 193 | .type = MT_DEVICE |
| 194 | } |
| 195 | }; |
| 196 | #endif |
| 197 | |
| 198 | #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) |
| 199 | static struct map_desc omapam33xx_io_desc[] __initdata = { |
| 200 | { |
| 201 | .virtual = L4_34XX_VIRT, |
| 202 | .pfn = __phys_to_pfn(L4_34XX_PHYS), |
| 203 | .length = L4_34XX_SIZE, |
| 204 | .type = MT_DEVICE |
| 205 | }, |
| 206 | { |
| 207 | .virtual = L4_WK_AM33XX_VIRT, |
| 208 | .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS), |
| 209 | .length = L4_WK_AM33XX_SIZE, |
| 210 | .type = MT_DEVICE |
| 211 | } |
| 212 | }; |
| 213 | #endif |
| 214 | |
| 215 | #ifdef CONFIG_ARCH_OMAP4 |
| 216 | static struct map_desc omap44xx_io_desc[] __initdata = { |
| 217 | { |
| 218 | .virtual = L3_44XX_VIRT, |
| 219 | .pfn = __phys_to_pfn(L3_44XX_PHYS), |
| 220 | .length = L3_44XX_SIZE, |
| 221 | .type = MT_DEVICE, |
| 222 | }, |
| 223 | { |
| 224 | .virtual = L4_44XX_VIRT, |
| 225 | .pfn = __phys_to_pfn(L4_44XX_PHYS), |
| 226 | .length = L4_44XX_SIZE, |
| 227 | .type = MT_DEVICE, |
| 228 | }, |
| 229 | { |
| 230 | .virtual = L4_PER_44XX_VIRT, |
| 231 | .pfn = __phys_to_pfn(L4_PER_44XX_PHYS), |
| 232 | .length = L4_PER_44XX_SIZE, |
| 233 | .type = MT_DEVICE, |
| 234 | }, |
| 235 | }; |
| 236 | #endif |
| 237 | |
| 238 | #ifdef CONFIG_SOC_OMAP5 |
| 239 | static struct map_desc omap54xx_io_desc[] __initdata = { |
| 240 | { |
| 241 | .virtual = L3_54XX_VIRT, |
| 242 | .pfn = __phys_to_pfn(L3_54XX_PHYS), |
| 243 | .length = L3_54XX_SIZE, |
| 244 | .type = MT_DEVICE, |
| 245 | }, |
| 246 | { |
| 247 | .virtual = L4_54XX_VIRT, |
| 248 | .pfn = __phys_to_pfn(L4_54XX_PHYS), |
| 249 | .length = L4_54XX_SIZE, |
| 250 | .type = MT_DEVICE, |
| 251 | }, |
| 252 | { |
| 253 | .virtual = L4_WK_54XX_VIRT, |
| 254 | .pfn = __phys_to_pfn(L4_WK_54XX_PHYS), |
| 255 | .length = L4_WK_54XX_SIZE, |
| 256 | .type = MT_DEVICE, |
| 257 | }, |
| 258 | { |
| 259 | .virtual = L4_PER_54XX_VIRT, |
| 260 | .pfn = __phys_to_pfn(L4_PER_54XX_PHYS), |
| 261 | .length = L4_PER_54XX_SIZE, |
| 262 | .type = MT_DEVICE, |
| 263 | }, |
| 264 | }; |
| 265 | #endif |
| 266 | |
| 267 | #ifdef CONFIG_SOC_DRA7XX |
| 268 | static struct map_desc dra7xx_io_desc[] __initdata = { |
| 269 | { |
| 270 | .virtual = L4_CFG_MPU_DRA7XX_VIRT, |
| 271 | .pfn = __phys_to_pfn(L4_CFG_MPU_DRA7XX_PHYS), |
| 272 | .length = L4_CFG_MPU_DRA7XX_SIZE, |
| 273 | .type = MT_DEVICE, |
| 274 | }, |
| 275 | { |
| 276 | .virtual = L3_MAIN_SN_DRA7XX_VIRT, |
| 277 | .pfn = __phys_to_pfn(L3_MAIN_SN_DRA7XX_PHYS), |
| 278 | .length = L3_MAIN_SN_DRA7XX_SIZE, |
| 279 | .type = MT_DEVICE, |
| 280 | }, |
| 281 | { |
| 282 | .virtual = L4_PER1_DRA7XX_VIRT, |
| 283 | .pfn = __phys_to_pfn(L4_PER1_DRA7XX_PHYS), |
| 284 | .length = L4_PER1_DRA7XX_SIZE, |
| 285 | .type = MT_DEVICE, |
| 286 | }, |
| 287 | { |
| 288 | .virtual = L4_PER2_DRA7XX_VIRT, |
| 289 | .pfn = __phys_to_pfn(L4_PER2_DRA7XX_PHYS), |
| 290 | .length = L4_PER2_DRA7XX_SIZE, |
| 291 | .type = MT_DEVICE, |
| 292 | }, |
| 293 | { |
| 294 | .virtual = L4_PER3_DRA7XX_VIRT, |
| 295 | .pfn = __phys_to_pfn(L4_PER3_DRA7XX_PHYS), |
| 296 | .length = L4_PER3_DRA7XX_SIZE, |
| 297 | .type = MT_DEVICE, |
| 298 | }, |
| 299 | { |
| 300 | .virtual = L4_CFG_DRA7XX_VIRT, |
| 301 | .pfn = __phys_to_pfn(L4_CFG_DRA7XX_PHYS), |
| 302 | .length = L4_CFG_DRA7XX_SIZE, |
| 303 | .type = MT_DEVICE, |
| 304 | }, |
| 305 | { |
| 306 | .virtual = L4_WKUP_DRA7XX_VIRT, |
| 307 | .pfn = __phys_to_pfn(L4_WKUP_DRA7XX_PHYS), |
| 308 | .length = L4_WKUP_DRA7XX_SIZE, |
| 309 | .type = MT_DEVICE, |
| 310 | }, |
| 311 | }; |
| 312 | #endif |
| 313 | |
| 314 | #ifdef CONFIG_SOC_OMAP2420 |
| 315 | void __init omap242x_map_io(void) |
| 316 | { |
| 317 | iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); |
| 318 | iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc)); |
| 319 | } |
| 320 | #endif |
| 321 | |
| 322 | #ifdef CONFIG_SOC_OMAP2430 |
| 323 | void __init omap243x_map_io(void) |
| 324 | { |
| 325 | iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); |
| 326 | iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc)); |
| 327 | } |
| 328 | #endif |
| 329 | |
| 330 | #ifdef CONFIG_ARCH_OMAP3 |
| 331 | void __init omap3_map_io(void) |
| 332 | { |
| 333 | iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc)); |
| 334 | } |
| 335 | #endif |
| 336 | |
| 337 | #ifdef CONFIG_SOC_TI81XX |
| 338 | void __init ti81xx_map_io(void) |
| 339 | { |
| 340 | iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc)); |
| 341 | } |
| 342 | #endif |
| 343 | |
| 344 | #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) |
| 345 | void __init am33xx_map_io(void) |
| 346 | { |
| 347 | iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc)); |
| 348 | } |
| 349 | #endif |
| 350 | |
| 351 | #ifdef CONFIG_ARCH_OMAP4 |
| 352 | void __init omap4_map_io(void) |
| 353 | { |
| 354 | iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc)); |
| 355 | omap_barriers_init(); |
| 356 | } |
| 357 | #endif |
| 358 | |
| 359 | #ifdef CONFIG_SOC_OMAP5 |
| 360 | void __init omap5_map_io(void) |
| 361 | { |
| 362 | iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc)); |
| 363 | omap_barriers_init(); |
| 364 | } |
| 365 | #endif |
| 366 | |
| 367 | #ifdef CONFIG_SOC_DRA7XX |
| 368 | void __init dra7xx_map_io(void) |
| 369 | { |
| 370 | iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc)); |
| 371 | omap_barriers_init(); |
| 372 | } |
| 373 | #endif |
| 374 | /* |
| 375 | * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters |
| 376 | * |
| 377 | * Sets the CORE DPLL3 M2 divider to the same value that it's at |
| 378 | * currently. This has the effect of setting the SDRC SDRAM AC timing |
| 379 | * registers to the values currently defined by the kernel. Currently |
| 380 | * only defined for OMAP3; will return 0 if called on OMAP2. Returns |
| 381 | * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2, |
| 382 | * or passes along the return value of clk_set_rate(). |
| 383 | */ |
| 384 | static int __init _omap2_init_reprogram_sdrc(void) |
| 385 | { |
| 386 | struct clk *dpll3_m2_ck; |
| 387 | int v = -EINVAL; |
| 388 | long rate; |
| 389 | |
| 390 | if (!cpu_is_omap34xx()) |
| 391 | return 0; |
| 392 | |
| 393 | dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck"); |
| 394 | if (IS_ERR(dpll3_m2_ck)) |
| 395 | return -EINVAL; |
| 396 | |
| 397 | rate = clk_get_rate(dpll3_m2_ck); |
| 398 | pr_info("Reprogramming SDRC clock to %ld Hz\n", rate); |
| 399 | v = clk_set_rate(dpll3_m2_ck, rate); |
| 400 | if (v) |
| 401 | pr_err("dpll3_m2_clk rate change failed: %d\n", v); |
| 402 | |
| 403 | clk_put(dpll3_m2_ck); |
| 404 | |
| 405 | return v; |
| 406 | } |
| 407 | |
| 408 | static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data) |
| 409 | { |
| 410 | return omap_hwmod_set_postsetup_state(oh, *(u8 *)data); |
| 411 | } |
| 412 | |
| 413 | static void __init omap_hwmod_init_postsetup(void) |
| 414 | { |
| 415 | u8 postsetup_state; |
| 416 | |
| 417 | /* Set the default postsetup state for all hwmods */ |
| 418 | #ifdef CONFIG_PM |
| 419 | postsetup_state = _HWMOD_STATE_IDLE; |
| 420 | #else |
| 421 | postsetup_state = _HWMOD_STATE_ENABLED; |
| 422 | #endif |
| 423 | omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state); |
| 424 | |
| 425 | omap_pm_if_early_init(); |
| 426 | } |
| 427 | |
| 428 | static void __init __maybe_unused omap_common_late_init(void) |
| 429 | { |
| 430 | omap_mux_late_init(); |
| 431 | omap2_common_pm_late_init(); |
| 432 | omap_soc_device_init(); |
| 433 | } |
| 434 | |
| 435 | #ifdef CONFIG_SOC_OMAP2420 |
| 436 | void __init omap2420_init_early(void) |
| 437 | { |
| 438 | omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000)); |
| 439 | omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE), |
| 440 | OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE)); |
| 441 | omap2_control_base_init(); |
| 442 | omap2xxx_check_revision(); |
| 443 | omap2_prcm_base_init(); |
| 444 | omap2xxx_voltagedomains_init(); |
| 445 | omap242x_powerdomains_init(); |
| 446 | omap242x_clockdomains_init(); |
| 447 | omap2420_hwmod_init(); |
| 448 | omap_hwmod_init_postsetup(); |
| 449 | omap_clk_soc_init = omap2420_dt_clk_init; |
| 450 | rate_table = omap2420_rate_table; |
| 451 | } |
| 452 | |
| 453 | void __init omap2420_init_late(void) |
| 454 | { |
| 455 | omap_common_late_init(); |
| 456 | omap2_pm_init(); |
| 457 | omap2_clk_enable_autoidle_all(); |
| 458 | } |
| 459 | #endif |
| 460 | |
| 461 | #ifdef CONFIG_SOC_OMAP2430 |
| 462 | void __init omap2430_init_early(void) |
| 463 | { |
| 464 | omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000)); |
| 465 | omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE), |
| 466 | OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE)); |
| 467 | omap2_control_base_init(); |
| 468 | omap2xxx_check_revision(); |
| 469 | omap2_prcm_base_init(); |
| 470 | omap2xxx_voltagedomains_init(); |
| 471 | omap243x_powerdomains_init(); |
| 472 | omap243x_clockdomains_init(); |
| 473 | omap2430_hwmod_init(); |
| 474 | omap_hwmod_init_postsetup(); |
| 475 | omap_clk_soc_init = omap2430_dt_clk_init; |
| 476 | rate_table = omap2430_rate_table; |
| 477 | } |
| 478 | |
| 479 | void __init omap2430_init_late(void) |
| 480 | { |
| 481 | omap_common_late_init(); |
| 482 | omap2_pm_init(); |
| 483 | omap2_clk_enable_autoidle_all(); |
| 484 | } |
| 485 | #endif |
| 486 | |
| 487 | /* |
| 488 | * Currently only board-omap3beagle.c should call this because of the |
| 489 | * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT. |
| 490 | */ |
| 491 | #ifdef CONFIG_ARCH_OMAP3 |
| 492 | void __init omap3_init_early(void) |
| 493 | { |
| 494 | omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000)); |
| 495 | omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE), |
| 496 | OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE)); |
| 497 | /* XXX: remove these once OMAP3 is DT only */ |
| 498 | if (!of_have_populated_dt()) { |
| 499 | omap2_set_globals_control( |
| 500 | OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE)); |
| 501 | omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE)); |
| 502 | omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), |
| 503 | NULL); |
| 504 | } |
| 505 | omap2_control_base_init(); |
| 506 | omap3xxx_check_revision(); |
| 507 | omap3xxx_check_features(); |
| 508 | omap2_prcm_base_init(); |
| 509 | /* XXX: remove these once OMAP3 is DT only */ |
| 510 | if (!of_have_populated_dt()) { |
| 511 | omap3xxx_prm_init(NULL); |
| 512 | omap3xxx_cm_init(NULL); |
| 513 | } |
| 514 | omap3xxx_voltagedomains_init(); |
| 515 | omap3xxx_powerdomains_init(); |
| 516 | omap3xxx_clockdomains_init(); |
| 517 | omap3xxx_hwmod_init(); |
| 518 | omap_hwmod_init_postsetup(); |
| 519 | if (!of_have_populated_dt()) { |
| 520 | omap3_control_legacy_iomap_init(); |
| 521 | if (soc_is_am35xx()) |
| 522 | omap_clk_soc_init = am35xx_clk_legacy_init; |
| 523 | else if (cpu_is_omap3630()) |
| 524 | omap_clk_soc_init = omap36xx_clk_legacy_init; |
| 525 | else if (omap_rev() == OMAP3430_REV_ES1_0) |
| 526 | omap_clk_soc_init = omap3430es1_clk_legacy_init; |
| 527 | else |
| 528 | omap_clk_soc_init = omap3430_clk_legacy_init; |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | void __init omap3430_init_early(void) |
| 533 | { |
| 534 | omap3_init_early(); |
| 535 | if (of_have_populated_dt()) |
| 536 | omap_clk_soc_init = omap3430_dt_clk_init; |
| 537 | } |
| 538 | |
| 539 | void __init omap35xx_init_early(void) |
| 540 | { |
| 541 | omap3_init_early(); |
| 542 | if (of_have_populated_dt()) |
| 543 | omap_clk_soc_init = omap3430_dt_clk_init; |
| 544 | } |
| 545 | |
| 546 | void __init omap3630_init_early(void) |
| 547 | { |
| 548 | omap3_init_early(); |
| 549 | if (of_have_populated_dt()) |
| 550 | omap_clk_soc_init = omap3630_dt_clk_init; |
| 551 | } |
| 552 | |
| 553 | void __init am35xx_init_early(void) |
| 554 | { |
| 555 | omap3_init_early(); |
| 556 | if (of_have_populated_dt()) |
| 557 | omap_clk_soc_init = am35xx_dt_clk_init; |
| 558 | } |
| 559 | |
| 560 | void __init omap3_init_late(void) |
| 561 | { |
| 562 | omap_common_late_init(); |
| 563 | omap3_pm_init(); |
| 564 | omap2_clk_enable_autoidle_all(); |
| 565 | } |
| 566 | |
| 567 | void __init omap3430_init_late(void) |
| 568 | { |
| 569 | omap_common_late_init(); |
| 570 | omap3_pm_init(); |
| 571 | omap2_clk_enable_autoidle_all(); |
| 572 | } |
| 573 | |
| 574 | void __init omap35xx_init_late(void) |
| 575 | { |
| 576 | omap_common_late_init(); |
| 577 | omap3_pm_init(); |
| 578 | omap2_clk_enable_autoidle_all(); |
| 579 | } |
| 580 | |
| 581 | void __init omap3630_init_late(void) |
| 582 | { |
| 583 | omap_common_late_init(); |
| 584 | omap3_pm_init(); |
| 585 | omap2_clk_enable_autoidle_all(); |
| 586 | } |
| 587 | |
| 588 | void __init am35xx_init_late(void) |
| 589 | { |
| 590 | omap_common_late_init(); |
| 591 | omap3_pm_init(); |
| 592 | omap2_clk_enable_autoidle_all(); |
| 593 | } |
| 594 | |
| 595 | void __init ti81xx_init_late(void) |
| 596 | { |
| 597 | omap_common_late_init(); |
| 598 | omap2_clk_enable_autoidle_all(); |
| 599 | } |
| 600 | #endif |
| 601 | |
| 602 | #ifdef CONFIG_SOC_TI81XX |
| 603 | void __init ti814x_init_early(void) |
| 604 | { |
| 605 | omap2_set_globals_tap(TI814X_CLASS, |
| 606 | OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE)); |
| 607 | omap2_control_base_init(); |
| 608 | omap3xxx_check_revision(); |
| 609 | ti81xx_check_features(); |
| 610 | omap2_prcm_base_init(); |
| 611 | omap3xxx_voltagedomains_init(); |
| 612 | omap3xxx_powerdomains_init(); |
| 613 | ti814x_clockdomains_init(); |
| 614 | dm814x_hwmod_init(); |
| 615 | omap_hwmod_init_postsetup(); |
| 616 | if (of_have_populated_dt()) |
| 617 | omap_clk_soc_init = dm814x_dt_clk_init; |
| 618 | } |
| 619 | |
| 620 | void __init ti816x_init_early(void) |
| 621 | { |
| 622 | omap2_set_globals_tap(TI816X_CLASS, |
| 623 | OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE)); |
| 624 | omap2_control_base_init(); |
| 625 | omap3xxx_check_revision(); |
| 626 | ti81xx_check_features(); |
| 627 | omap2_prcm_base_init(); |
| 628 | omap3xxx_voltagedomains_init(); |
| 629 | omap3xxx_powerdomains_init(); |
| 630 | ti816x_clockdomains_init(); |
| 631 | dm816x_hwmod_init(); |
| 632 | omap_hwmod_init_postsetup(); |
| 633 | if (of_have_populated_dt()) |
| 634 | omap_clk_soc_init = dm816x_dt_clk_init; |
| 635 | } |
| 636 | #endif |
| 637 | |
| 638 | #ifdef CONFIG_SOC_AM33XX |
| 639 | void __init am33xx_init_early(void) |
| 640 | { |
| 641 | omap2_set_globals_tap(AM335X_CLASS, |
| 642 | AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE)); |
| 643 | omap2_control_base_init(); |
| 644 | omap3xxx_check_revision(); |
| 645 | am33xx_check_features(); |
| 646 | omap2_prcm_base_init(); |
| 647 | am33xx_powerdomains_init(); |
| 648 | am33xx_clockdomains_init(); |
| 649 | am33xx_hwmod_init(); |
| 650 | omap_hwmod_init_postsetup(); |
| 651 | omap_clk_soc_init = am33xx_dt_clk_init; |
| 652 | } |
| 653 | |
| 654 | void __init am33xx_init_late(void) |
| 655 | { |
| 656 | omap_common_late_init(); |
| 657 | } |
| 658 | #endif |
| 659 | |
| 660 | #ifdef CONFIG_SOC_AM43XX |
| 661 | void __init am43xx_init_early(void) |
| 662 | { |
| 663 | omap2_set_globals_tap(AM335X_CLASS, |
| 664 | AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE)); |
| 665 | omap2_control_base_init(); |
| 666 | omap3xxx_check_revision(); |
| 667 | am33xx_check_features(); |
| 668 | omap2_prcm_base_init(); |
| 669 | am43xx_powerdomains_init(); |
| 670 | am43xx_clockdomains_init(); |
| 671 | am43xx_hwmod_init(); |
| 672 | omap_hwmod_init_postsetup(); |
| 673 | omap_l2_cache_init(); |
| 674 | omap_clk_soc_init = am43xx_dt_clk_init; |
| 675 | } |
| 676 | |
| 677 | void __init am43xx_init_late(void) |
| 678 | { |
| 679 | omap_common_late_init(); |
| 680 | omap2_clk_enable_autoidle_all(); |
| 681 | } |
| 682 | #endif |
| 683 | |
| 684 | #ifdef CONFIG_ARCH_OMAP4 |
| 685 | void __init omap4430_init_early(void) |
| 686 | { |
| 687 | omap2_set_globals_tap(OMAP443X_CLASS, |
| 688 | OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE)); |
| 689 | omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE)); |
| 690 | omap2_control_base_init(); |
| 691 | omap4xxx_check_revision(); |
| 692 | omap4xxx_check_features(); |
| 693 | omap2_prcm_base_init(); |
| 694 | omap4_pm_init_early(); |
| 695 | omap44xx_voltagedomains_init(); |
| 696 | omap44xx_powerdomains_init(); |
| 697 | omap44xx_clockdomains_init(); |
| 698 | omap44xx_hwmod_init(); |
| 699 | omap_hwmod_init_postsetup(); |
| 700 | omap_l2_cache_init(); |
| 701 | omap_clk_soc_init = omap4xxx_dt_clk_init; |
| 702 | } |
| 703 | |
| 704 | void __init omap4430_init_late(void) |
| 705 | { |
| 706 | omap_common_late_init(); |
| 707 | omap4_pm_init(); |
| 708 | omap2_clk_enable_autoidle_all(); |
| 709 | } |
| 710 | #endif |
| 711 | |
| 712 | #ifdef CONFIG_SOC_OMAP5 |
| 713 | void __init omap5_init_early(void) |
| 714 | { |
| 715 | omap2_set_globals_tap(OMAP54XX_CLASS, |
| 716 | OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE)); |
| 717 | omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE)); |
| 718 | omap2_control_base_init(); |
| 719 | omap4_pm_init_early(); |
| 720 | omap2_prcm_base_init(); |
| 721 | omap5xxx_check_revision(); |
| 722 | omap54xx_voltagedomains_init(); |
| 723 | omap54xx_powerdomains_init(); |
| 724 | omap54xx_clockdomains_init(); |
| 725 | omap54xx_hwmod_init(); |
| 726 | omap_hwmod_init_postsetup(); |
| 727 | omap_clk_soc_init = omap5xxx_dt_clk_init; |
| 728 | } |
| 729 | |
| 730 | void __init omap5_init_late(void) |
| 731 | { |
| 732 | omap_common_late_init(); |
| 733 | omap4_pm_init(); |
| 734 | omap2_clk_enable_autoidle_all(); |
| 735 | } |
| 736 | #endif |
| 737 | |
| 738 | #ifdef CONFIG_SOC_DRA7XX |
| 739 | void __init dra7xx_init_early(void) |
| 740 | { |
| 741 | omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE)); |
| 742 | omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE)); |
| 743 | omap2_control_base_init(); |
| 744 | omap4_pm_init_early(); |
| 745 | omap2_prcm_base_init(); |
| 746 | dra7xxx_check_revision(); |
| 747 | dra7xx_powerdomains_init(); |
| 748 | dra7xx_clockdomains_init(); |
| 749 | dra7xx_hwmod_init(); |
| 750 | omap_hwmod_init_postsetup(); |
| 751 | omap_clk_soc_init = dra7xx_dt_clk_init; |
| 752 | } |
| 753 | |
| 754 | void __init dra7xx_init_late(void) |
| 755 | { |
| 756 | omap_common_late_init(); |
| 757 | omap4_pm_init(); |
| 758 | omap2_clk_enable_autoidle_all(); |
| 759 | } |
| 760 | #endif |
| 761 | |
| 762 | |
| 763 | void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, |
| 764 | struct omap_sdrc_params *sdrc_cs1) |
| 765 | { |
| 766 | omap_sram_init(); |
| 767 | |
| 768 | if (cpu_is_omap24xx() || omap3_has_sdrc()) { |
| 769 | omap2_sdrc_init(sdrc_cs0, sdrc_cs1); |
| 770 | _omap2_init_reprogram_sdrc(); |
| 771 | } |
| 772 | } |
| 773 | |
| 774 | int __init omap_clk_init(void) |
| 775 | { |
| 776 | int ret = 0; |
| 777 | |
| 778 | if (!omap_clk_soc_init) |
| 779 | return 0; |
| 780 | |
| 781 | ti_clk_init_features(); |
| 782 | |
| 783 | omap2_clk_setup_ll_ops(); |
| 784 | |
| 785 | if (of_have_populated_dt()) { |
| 786 | ret = omap_control_init(); |
| 787 | if (ret) |
| 788 | return ret; |
| 789 | |
| 790 | ret = omap_prcm_init(); |
| 791 | if (ret) |
| 792 | return ret; |
| 793 | |
| 794 | of_clk_init(NULL); |
| 795 | |
| 796 | ti_dt_clk_init_retry_clks(); |
| 797 | |
| 798 | ti_dt_clockdomains_setup(); |
| 799 | } |
| 800 | |
| 801 | ret = omap_clk_soc_init(); |
| 802 | |
| 803 | return ret; |
| 804 | } |